| Valerian:
see encyclopedia entry
Vanadium:
see encyclopedia entry
Vasoconstriction: The constriction of blood
vessels.
Vasodilation: The dilation of blood vessels.
Vegan: Someone who eats no animal-derived foods.
Vegetarian: Someone who doesn't eat meat.
Virus: An infectious organism that reproduces
in the cells of an infected host.
Vitamin: An organic compound essential for
normal health.
Vitamin A:
see encyclopedia entry
Vitamin B-6: see
encyclopedia entry
Vitamin B-12: see
encyclopedia entry
Vitamin C:
see encyclopedia entry
Vitamin D:
see encyclopedia entry
Vitamin E:
see encyclopedia entry
Vitamin K:
see encyclopedia entry
Vitreous: The transparent, colorless mass of
gel that lies behind the lens and in front of the retina in the
eye.
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Water-soluble: Dissolves in water. Water-soluble
vitamins like the B vitamins and vitamin C cannot be stored in
the body.
White blood cells: Blood cells without hemoglobin
that enter tissues to fight infection.
White Willow:
see encyclopedia entry
Wild Yam:
see encyclopedia entry
Wilson's disease:
A rare disease where excessive levels of copper accumulate in
the liver.
Yohimbe:
see encyclopedia entry
Zinc: An essential mineral used to make many
enzymes and hormones.
see encyclopedia entry
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